William Clyde Thompson (1839–1912) was a Texas Choctaw-Chickasaw leader of the Mount Tabor Indian Community in Texas and an officer of the Confederate States of America during the Civil War. After moving north to the Chickasaw Nation in 1889, he led an effort to gain enrollment of his family and other Texas Choctaws as Citizens by blood of the Choctaw Nation in Indian Territory. This was at the time of enrollment for the Final Roll of the Five Civilized Tribes, also known as the Dawes Rolls, which established citizenship in order for the nations to be broken up for white settlement and to allot communal tribal lands to individual Indians. The Choctaw Advisory Board opposed inclusion of the Texas Choctaw as well as the Jena Choctaws in Louisiana, as they had both lived primarily outside of